The new G Series is compliant to XQD Format Version 2, both PCI Express Gen.2 and USB3.0 interface are supported on a newly-developed controller for high performance.
The G Series delivers increased read 400MB/s and write 350MB/s speeds, which is three times the speed of the previous N Series cards.

Sony's unique media technology enables these G Series cards to provide efficient data writing, dependable recording of 4K video while avoiding speed degradation.
The larger capacity 128GB model expands the line-up allowing up to 40 minutes of 4K XAVC Intra 422 60p (600Mbps) recording with Sony's 4K video cameras.